620484 has 24 divisors (see below), whose sum is σ = 1498560. Its totient is φ = 199584.

The previous prime is 620467. The next prime is 620491. The reversal of 620484 is 484026.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 620484.

It is an unprimeable number.

620484 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 544 + ... + 1239.

It is an arithmetic number, because the mean of its divisors is an integer number (62440).

2⁶²⁰⁴⁸⁴ is an apocalyptic number.

It is an amenable number.

620484 is an abundant number, since it is smaller than the sum of its proper divisors (878076).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

620484 is a wasteful number, since it uses less digits than its factorization.

620484 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1819 (or 1817 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

The square root of 620484 is about 787.7080677510. The cubic root of 620484 is about 85.2923726485.

The spelling of 620484 in words is "six hundred twenty thousand, four hundred eighty-four".